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<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
<!ENTITY % general-entities SYSTEM "../general.ent">
%general-entities;
]>
<sect1 id="pre-standards">
<?dbhtml filename="standards.html"?>
<title>LFS and Standards</title>
<!--<sect2>
<title/> -->
<para>The structure of LFS follows Linux standards as closely as
possible. The primary standards are:</para>
<itemizedlist>
<listitem>
<para><ulink url="http://pubs.opengroup.org/onlinepubs/9699919799/">
POSIX.1-2008</ulink>.</para>
</listitem>
<listitem>
<para><ulink
url="http://refspecs.linuxfoundation.org/FHS_3.0/fhs/index.html">
Filesystem Hierarchy Standard (FHS) Version 3.0</ulink></para>
</listitem>
<listitem>
<para><ulink url="http://refspecs.linuxfoundation.org/lsb.shtml">Linux
Standard Base (LSB) Version 5.0 (2015)</ulink></para>
<para>The LSB has four separate standards: Core, Desktop,
Runtime Languages, and Imaging. In addition to generic requirements
there are also architecture specific requirements. There are also two
areas for trial use: Gtk3 and Graphics. LFS attempts to conform to the
architectures discussed in the previous section.</para>
<note><para>Many people do not agree with the requirements of the LSB.
The main purpose of defining it is to ensure that proprietary software
will be able to be installed and run properly on a compliant system.
Since LFS is source based, the user has complete control over what
packages are desired and many choose not to install some packages that
are specified by the LSB.</para></note>
</listitem>
</itemizedlist>
<para>Creating a complete LFS system capable of passing the LSB
certifications tests is possible, but not without many additional packages
that are beyond the scope of LFS. These additional packages have
installation instructions in BLFS. </para>
<variablelist>
<bridgehead renderas="sect3">Packages supplied by LFS needed to
satisfy the LSB Requirements</bridgehead>
<?dbfo list-presentation="list"?>
<?dbhtml list-presentation="table"?>
<varlistentry>
<term><emphasis>LSB Core:</emphasis></term>
<listitem>
<para>Bash, Bc, Binutils, Coreutils, Diffutils, File, Findutils, Gawk,
Grep, Gzip, M4, Man-DB, Ncurses, Procps, Psmisc, Python, Sed,
Shadow, Tar, Util-linux, Zlib</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis>LSB Desktop:</emphasis></term>
<listitem>
<para>None</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis>LSB Runtime Languages:</emphasis></term>
<listitem>
<para>Perl</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis>LSB Imaging:</emphasis></term>
<listitem>
<para>None</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis>LSB Gtk3 and LSB Graphics (Trial Use):</emphasis></term>
<listitem>
<para>None</para>
</listitem>
</varlistentry>
</variablelist>
<variablelist>
<bridgehead renderas="sect3">Packages supplied by BLFS needed to
satisfy the LSB Requirements</bridgehead>
<?dbfo list-presentation="list"?>
<?dbhtml list-presentation="table"?>
<varlistentry>
<term><emphasis>LSB Core:</emphasis></term>
<listitem>
<para>At, Batch (a part of At), Cpio, Ed, Fcrontab, LSB-Tools, NSPR,
NSS, PAM, Pax, Sendmail (or Postfix or Exim), time
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis>LSB Desktop:</emphasis></term>
<listitem>
<para>Alsa, ATK, Cairo, Desktop-file-utils, Freetype, Fontconfig,
Gdk-pixbuf, Glib2, GTK+2, Icon-naming-utils, Libjpeg-turbo, Libpng, Libtiff,
Libxml2, MesaLib, Pango, Xdg-utils, Xorg</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis>LSB Runtime Languages:</emphasis></term>
<listitem>
<para>Libxml2, Libxslt </para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis>LSB Imaging:</emphasis></term>
<listitem>
<para>CUPS, Cups-filters, Ghostscript, SANE</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis>LSB Gtk3 and LSB Graphics (Trial Use):</emphasis></term>
<listitem>
<para>GTK+3</para>
</listitem>
</varlistentry>
</variablelist>
<variablelist>
<bridgehead renderas="sect3">Packages not supplied by LFS or BLFS
needed to satisfy the LSB Requirements</bridgehead>
<?dbfo list-presentation="list"?>
<?dbhtml list-presentation="table"?>
<varlistentry>
<term><emphasis>LSB Core:</emphasis></term>
<listitem>
<para>None</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis>LSB Desktop:</emphasis></term>
<listitem>
<para>Qt4 (but Qt5 is provided)</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis>LSB Runtime Languages:</emphasis></term>
<listitem>
<para>None</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis>LSB Imaging:</emphasis></term>
<listitem>
<para>None</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis>LSB Gtk3 and LSB Graphics (Trial Use):</emphasis></term>
<listitem>
<para>None</para>
</listitem>
</varlistentry>
</variablelist>
</sect1>
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